TWI453988B - An internal coupling-type wideband antenna - Google Patents
An internal coupling-type wideband antenna Download PDFInfo
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Description
本發明係關於一種內藏式耦合型寬頻天線，特別是適合應用在無線通訊產品上的內藏式寬頻天線。 The present invention relates to a built-in coupled broadband antenna, and more particularly to a built-in broadband antenna suitable for use in wireless communication products.
隨著無線通訊的發展，無線網路的應用越來越廣泛，因此天線的性能便成為影響產品價值的重要關鍵之一。目前習用於無線通訊產品的天線大都僅能雙頻或多頻操作於單一網路，例如無線區域網路(WLAN)，相關之先前技術包括台灣新型專利公告第562,260號“多頻印刷式單極天線”，其揭示一種利用筆記型電腦液晶螢幕內建的接地面，在該接地面上設計天線的例子，不過該天線雖適用於2.4GHz(2.4~2.484GHz)、5GHz〔包含5.2GHz(5.15~5.35GHz)及5.8GHz(5.725~5.875GHz)〕雙頻帶操作之無線區域網路系統，但其低頻頻寬僅勉強包含2.4GHz之頻帶，使得天線量產時製作可允許誤差低，同時該天線設計缺乏全球微波存取互通(WiMAX)網路之通訊功能，因而無法達成雙網之操作。為解決此一問題，我們提出一種內藏式耦合型寬頻天線的創新設計，本發明天線可以產生一低頻共振頻帶與一高頻共振頻帶並結合出一約4GHz之寬頻操作頻寬，輕易地涵蓋目前無線區域網路(WLAN)所需之2.4GHz頻帶(2.4~2.484GHz)及5GHz頻帶〔包含5.2GHz頻帶(5.15~5.35GHz)及5.8GHz頻帶(5.725~5.875GHz)〕之操作需求 ，同時亦滿足全球微波存取互通網路(WiMAX)所需之2.5GHz頻帶(2.5~2.69GHz)、3.5GHz頻帶(3.3~3.8GHz)及5GHz頻帶(5.25~5.85GHz)之操作需求，且本發明天線使用一耦合式機制，兼具縮小化之優點，適合內藏應用在無線通訊產品上，達成縮小化且寬頻操作之通訊功能。 With the development of wireless communication, the application of wireless networks is more and more extensive, so the performance of the antenna has become one of the important factors affecting the value of the product. Most of the antennas currently used in wireless communication products can only operate on a single network with dual or multiple frequencies, such as wireless local area network (WLAN). The related prior art includes Taiwan's new patent announcement No. 562,260 "multi-frequency printed monopole. "Antenna", which discloses an example of using an internal ground plane of a notebook computer LCD screen to design an antenna on the ground plane, but the antenna is suitable for 2.4 GHz (2.4 to 2.484 GHz), 5 GHz (including 5.2 GHz (5.15). ~5.35GHz) and 5.8GHz (5.725~5.875GHz)] dual-band wireless local area network system, but its low-frequency bandwidth only barely includes the 2.4GHz frequency band, making the allowable error of the antenna mass production, and The antenna design lacks the communication function of the Worldwide Interoperability for Microwave Access (WiMAX) network, and thus the operation of the dual network cannot be achieved. In order to solve this problem, we propose an innovative design of a built-in coupled wideband antenna. The antenna of the present invention can generate a low frequency resonant frequency band and a high frequency resonant frequency band and combine a broadband operating bandwidth of about 4 GHz, which is easily covered. Operational requirements for the 2.4 GHz band (2.4 to 2.484 GHz) and the 5 GHz band (including the 5.2 GHz band (5.15 to 5.35 GHz) and the 5.8 GHz band (5.725 to 5.875 GHz) required for the wireless local area network (WLAN) At the same time, it also meets the operational requirements of the 2.5GHz band (2.5~2.69GHz), 3.5GHz band (3.3~3.8GHz) and 5GHz band (5.25~5.85GHz) required by the global microwave access network (WiMAX), and The antenna of the invention uses a coupling mechanism and has the advantages of downsizing, and is suitable for the built-in application in the wireless communication product, and achieves the communication function of downsizing and wide-band operation.
如上所述，本發明之目的在於提供一種內藏式耦合型寬頻天線的創新設計，而本發明天線之一實施例，可以產生一低頻共振頻帶與一高頻共振頻帶並結合出一約4GHz之寬頻操作頻寬，輕易地涵蓋目前無線區域網路所需之2.4GHz及5GHz頻帶之操作需求，同時亦滿足全球微波存取互通網路所需之2.5GHz、3.5GHz及5GHz頻帶之操作需求，且本發明天線使用一耦合式機制，兼具縮小化之優點，適合內藏應用在無線通訊產品上，達成縮小化且寬頻操作之通訊功能。本發明天線包含：一接地面，具有一上方邊緣，而在該接地面之上方邊緣處具有一接地點及一短路點；一輻射部，大致位於該接地面之上方邊緣處，包含：一第一子金屬部，朝遠離該接地面的方向延伸，並具有一側邊靠近於該接地面之上方邊緣處，及一彎自該側邊的第一耦合邊緣，且在該側邊上具有一饋入點；一第二子金屬部，靠近該第一子金屬部而不相連接，並具有一與該第一耦合邊緣相電磁耦合的第二耦合邊緣；一耦合間隙，介於該第一子金屬部與該第二子金屬部之間，而該間隙之最小 寬度小於5mm；及一短路金屬部，具有一起始端與一末端，而該起始端連接至該第二子金屬部，同時該末端連接至該接地面之短路點，且該短路金屬部與該第二子金屬部呈一開口朝向該接地面的倒U形；及一饋入傳輸線，用以傳輸訊號，包含：一中心導線，連接至該第一子金屬部之饋入點；及一外層接地導體，連接至該接地面之接地點；同時該輻射部由印刷或蝕刻技術形成於一介質基板上。 As described above, it is an object of the present invention to provide an innovative design of a built-in coupled wideband antenna, and an embodiment of the antenna of the present invention can generate a low frequency resonant frequency band and a high frequency resonant frequency band combined with a frequency of about 4 GHz. The broadband operating bandwidth easily covers the operational requirements of the 2.4 GHz and 5 GHz bands required for current wireless local area networks, while also meeting the operational requirements of the 2.5 GHz, 3.5 GHz, and 5 GHz bands required for global microwave access networks. Moreover, the antenna of the present invention uses a coupling mechanism and has the advantages of downsizing, and is suitable for the built-in application in the wireless communication product, and achieves the communication function of downsizing and wide-band operation. The antenna of the present invention comprises: a ground plane having an upper edge, and a grounding point and a shorting point at an upper edge of the grounding surface; a radiating portion substantially at an upper edge of the grounding surface, comprising: a first a sub-metal portion extending away from the ground plane and having a side edge adjacent to an upper edge of the ground plane, and a first coupling edge bent from the side edge, and having a side on the side edge a feed point; a second sub-metal portion not adjacent to the first sub-metal portion and having a second coupling edge electromagnetically coupled to the first coupling edge; a coupling gap between the first Between the sub-metal portion and the second sub-metal portion, and the gap is minimum a width of less than 5 mm; and a short-circuited metal portion having a starting end and an end, wherein the starting end is connected to the second sub-metal portion, and the end is connected to a short-circuit point of the ground plane, and the short-circuit metal portion and the first portion The second sub-metal portion has an inverted U shape with an opening facing the ground plane; and a feed transmission line for transmitting the signal, comprising: a center conductor connected to the feeding point of the first sub-metal portion; and an outer layer grounded a conductor connected to a ground point of the ground plane; and the radiating portion is formed on a dielectric substrate by a printing or etching technique.
在本項設計中，我們可以藉由適當地調整該第一子金屬部之長度與寬度(總和一般大於8mm)，產生一高頻共振頻帶；而藉由適當地調整該第二子金屬部之長度與寬度(總和一般大於12mm)及該短路金屬部之長度與寬度(總和一般大於6mm)，產生一低頻共振頻帶；再適當地調整該第一子金屬部之饋入點與該接地面之距離(一般小於3mm)，並適當地調整該第一子金屬部與該第二子金屬部之耦合間隙之寬度(一般小於5mm)，可以得到良好之阻抗匹配，且結合該低頻共振頻帶與該高頻共振頻帶進而獲得一約4GHz之寬頻操作頻寬，輕易地涵蓋目前無線區域網路所需之2.4GHz頻帶及5GHz頻帶之操作需求，亦滿足全球微波存取互通網路所需之2.5GHz頻帶、3.5GHz頻帶及5GHz頻帶之操作需求，而本發明天線使用一耦合式機制，即是該第一子金屬部除了用以產生一高頻共振頻帶，同時藉由該耦合間隙將能量耦合至該第二子金屬部與該短路金屬部，用以產生一低頻共振頻帶，如此共用一子金屬部而使得高頻與低頻共振頻帶均能被激發，讓原本需以相異之 金屬部產生共振頻帶而必須增加天線整體尺寸之缺點獲得改善，因而兼具縮小化之優點，適合內藏應用在無線通訊產品上，達成縮小化且寬頻操作之通訊功能。 In this design, we can generate a high frequency resonance band by appropriately adjusting the length and width of the first sub-metal portion (the sum is generally greater than 8 mm); and by appropriately adjusting the second sub-metal portion The length and the width (the sum is generally greater than 12 mm) and the length and width of the short-circuited metal portion (the sum is generally greater than 6 mm), generating a low-frequency resonance frequency band; and appropriately adjusting the feeding point of the first sub-metal portion and the grounding surface a distance (generally less than 3 mm), and appropriately adjusting the width of the coupling gap between the first sub-metal portion and the second sub-metal portion (generally less than 5 mm), a good impedance matching can be obtained, and the low-frequency resonance band is combined with the The high-frequency resonant frequency band further obtains a broadband operating bandwidth of about 4 GHz, which easily covers the operation requirements of the 2.4 GHz band and the 5 GHz band required for the current wireless local area network, and also satisfies the 2.5 GHz required for the global microwave access interworking network. The operating requirements of the frequency band, the 3.5 GHz band, and the 5 GHz band, and the antenna of the present invention uses a coupled mechanism, that is, the first sub-metal portion is used to generate a high-frequency resonance band, and by the coupling a gap coupling energy to the second sub-metal portion and the short-circuit metal portion for generating a low-frequency resonance frequency band, such that a sub-metal portion is shared such that both the high-frequency and low-frequency resonance bands can be excited, so that the difference is originally required It The metal portion generates a resonance frequency band and the disadvantage of increasing the overall size of the antenna is improved, so that it has the advantages of downsizing, and is suitable for a built-in application in a wireless communication product, and achieves a communication function of downsizing and wide-band operation.
參考第1圖，本發明之一種內藏式耦合型寬頻天線一實施例1包括：一接地面13，具有一上方邊緣131，而在該接地面之上方邊緣131處具有一接地點132及一短路點133；一輻射部14，大致位於該接地面之上方邊緣處131，包含：一第一子金屬部15，朝遠離該接地面13的方向延伸，並具有一側邊151靠近於該接地面13之上方邊緣131處及一彎自該側邊151的第一耦合邊緣153，且在該側邊151上具有一饋入點152；一第二子金屬部16，靠近該第一子金屬部15而不相連接，並具有一與該第一耦合邊緣153相電磁耦合的第二耦合邊緣161；一耦合間隙d，介於該第一子金屬部15與該第二子金屬部16之間，而該間隙d之最小寬度小於5mm；及一短路金屬部17，具有一起始端171與一末端172，而該起始端171連接至該第二子金屬部16，同時該末端172連接至該接地面之短路點133，且該短路金屬部17與該第二子金屬部16呈一開口162朝向該接地面13的倒U形；及一饋入傳輸線18，用以傳輸訊號，包含：一中心導線181，連接至該第一子金屬部之饋入點152；及一外層接地導體182，連接至該接地面之接地點132。在本實施例1中，該第一子金屬部15用以產生一高頻共振頻帶22，而該第一子金屬部15藉由該耦合間隙d 將能量耦合至該第二子金屬部16與該短路金屬部17，用以產生一低頻共振頻帶21；同時該輻射部14由印刷或蝕刻技術形成於一介質基板19上；由以上配置方式可以得到良好之阻抗匹配，而結合該低頻共振頻帶21與該高頻共振頻帶22可獲得一約4GHz之寬頻操作頻寬，輕易地涵蓋目前無線區域網路所需之2.4GHz及5GHz頻帶之操作需求，同時亦滿足全球微波存取互通網路所需之2.5GHz、3.5GHz及5GHz頻帶之操作需求，且本發明天線使用一耦合式機制，兼具縮小化之優點，適用於無線通訊產品上，達成縮小化且寬頻操作之通訊功能。 Referring to FIG. 1 , a built-in coupling type wideband antenna according to the present invention includes a ground plane 13 having an upper edge 131 and a grounding point 132 and an upper edge 131 of the ground plane. a short-circuit point 133; a radiating portion 14 substantially at the upper edge 131 of the ground plane, comprising: a first sub-metal portion 15 extending away from the ground plane 13 and having a side 151 close to the connection An upper edge 131 of the ground 13 and a first coupling edge 153 bent from the side 151, and a feed point 152 on the side 151; a second sub-metal portion 16 adjacent to the first sub-metal The portion 15 is not connected, and has a second coupling edge 161 electromagnetically coupled to the first coupling edge 153; a coupling gap d between the first sub-metal portion 15 and the second sub-metal portion 16 And the minimum width of the gap d is less than 5 mm; and a short-circuited metal portion 17 having a starting end 171 and an end 172, and the starting end 171 is connected to the second sub-metal portion 16, and the end 172 is connected to the a short circuit point 133 of the ground plane, and the short metal portion 17 and the second The sub-metal portion 16 has an inverted U shape with an opening 162 facing the ground plane 13 and a feed transmission line 18 for transmitting signals, including: a center conductor 181 connected to the feed point 152 of the first sub-metal portion. And an outer ground conductor 182 connected to the ground point 132 of the ground plane. In the first embodiment, the first sub-metal portion 15 is configured to generate a high-frequency resonance frequency band 22, and the first sub-metal portion 15 is coupled by the coupling gap d. Energy is coupled to the second sub-metal portion 16 and the short-circuit metal portion 17 for generating a low-frequency resonance frequency band 21; and the radiation portion 14 is formed on a dielectric substrate 19 by a printing or etching technique; A good impedance matching is obtained, and a broadband operating bandwidth of about 4 GHz can be obtained by combining the low frequency resonant frequency band 21 with the high frequency resonant frequency band 22, which easily covers the operation requirements of the 2.4 GHz and 5 GHz frequency bands required by the current wireless local area network. At the same time, it also meets the operational requirements of the 2.5 GHz, 3.5 GHz and 5 GHz bands required by the global microwave access interworking network, and the antenna of the present invention uses a coupling mechanism and has the advantages of downsizing, and is suitable for wireless communication products. A communication function that achieves reduced and broadband operation.
第2圖為本發明天線一實施例1的返回損失實驗量測結果；在實施例1中，我們選擇該接地面13之長度為300mm、寬度為260mm；該輻射部14之長度為23mm、寬度為8mm；該第一子金屬部15之長度為8mm、寬度為6.5mm，而該饋入點152與該接地面之上方邊緣131之距離為1.5mm；該第二子金屬部16之長度為6.5mm、寬度為6.5mm；該短路金屬部17之長度為8mm、寬度為8mm；而該第一子金屬部15與該第二子金屬部16之間隙寬度d為0.5mm；該饋入傳輸線18為一同軸傳輸線；該介質基板19為一厚度為0.4mm之玻璃纖維基板(FR4)。由所得實驗結果，在返回損失小於10dB的定義下，其可產生一低頻共振頻帶21與一高頻共振頻帶22進而合成一約4GHz之寬頻操作頻寬，輕易地涵蓋目前無線區域網路所需之2.4GHz及5GHz頻帶之操作需求，同時亦滿足全球微波存取互通網路 所需之2.5GHz、3.5GHz及5GHz頻帶之操作需求。而本發明天線一實施例1於寬頻操作頻帶內之天線增益約為1.6~4.3dBi，滿足無線區域網路與全球微波存取互通網路系統之操作需求。 Figure 2 is a measurement result of the return loss of the antenna of the first embodiment of the present invention; in the first embodiment, we select the ground plane 13 to have a length of 300 mm and a width of 260 mm; the length of the radiating portion 14 is 23 mm and the width. The length of the first sub-metal portion 15 is 8 mm and the width is 6.5 mm, and the distance between the feed point 152 and the upper edge 131 of the ground plane is 1.5 mm; the length of the second sub-metal portion 16 is 6.5 mm, width 6.5 mm; the short metal portion 17 has a length of 8 mm and a width of 8 mm; and the gap width d between the first sub-metal portion 15 and the second sub-metal portion 16 is 0.5 mm; the feed transmission line 18 is a coaxial transmission line; the dielectric substrate 19 is a glass fiber substrate (FR4) having a thickness of 0.4 mm. From the experimental results obtained, under the definition of return loss less than 10 dB, it can generate a low frequency resonance frequency band 21 and a high frequency resonance frequency band 22 to synthesize a broadband operation bandwidth of about 4 GHz, which easily covers the current wireless local area network. Operational requirements for the 2.4 GHz and 5 GHz bands, while also meeting the global microwave access network Operational requirements for the 2.5 GHz, 3.5 GHz and 5 GHz bands required. In the antenna 1 of the present invention, the antenna gain in the broadband operating band is about 1.6 to 4.3 dBi, which satisfies the operational requirements of the wireless local area network and the global microwave access network system.
第3圖為本發明天線一實施例1在x-z、y-z平面(垂直面)及x-y平面(水平面；假設地面平行於x-y平面)於2500MHz的天線輻射場型量測結果；第4圖為本發明天線一實施例1在x-z、y-z平面(垂直面)及x-y平面(水平面；假設地面平行於x-y平面)於3500MHz的天線輻射場型量測結果；第5圖為本發明天線一實施例1在x-z、y-z平面(垂直面)及x-y平面(水平面)於5500MHz的天線輻射場型量測結果。由量測結果可知，天線的主極化輻射均呈現垂直極化(Eθ)特性，且在x-y平面(水平面)產生大致為全向性輻射之場型，滿足無線區域網路系統之操作需求，同時在x-y平面(水平面)之垂直極化(Eθ)分量與水平極化(EΦ)分量相近，則具有抵抗複雜環境所產生之多重路徑衰減之功能，符合實際應用之需求。 Figure 3 is a measurement result of the antenna radiation pattern of the antenna of the first embodiment of the present invention in the xz, yz plane (vertical plane) and the xy plane (horizontal plane; assuming the ground is parallel to the xy plane) at 2500 MHz; Fig. 4 is the present invention Antenna embodiment 1 in the xz, yz plane (vertical plane) and xy plane (horizontal plane; assuming the ground is parallel to the xy plane) at 3500MHz antenna radiation field measurement results; Figure 5 is an antenna according to an embodiment 1 of the present invention Xz, yz plane (vertical plane) and xy plane (horizontal plane) at 5500MHz antenna radiation field measurement results. It can be seen from the measurement results that the main polarized radiation of the antenna exhibits vertical polarization (E θ ) characteristics, and generates a field of substantially omnidirectional radiation in the xy plane (horizontal plane), which satisfies the operational requirements of the wireless local area network system. At the same time, the vertical polarization (E θ ) component in the xy plane (horizontal plane) is similar to the horizontal polarization (E Φ ) component, and has the function of resisting multiple path attenuation generated by a complex environment, which meets the requirements of practical applications.
第6圖為本發明天線之第一其他實施例結構圖；本實施例6與實施例1之不同在於：該第一子金屬部65之形狀為一多邊形，由此樣式之設計，可以調整天線之高頻共振頻帶22之頻率分佈，同時亦能具有良好之阻抗匹配，因此可產生一低頻共振頻帶21與一高頻共振頻帶22，進而合成一寬頻之操作頻寬，涵蓋目前無線區域網路與全球微波存取互通網路之操作需求，適合內藏應用在無線通訊產品上 ，達成寬頻操作之通訊功能。 FIG. 6 is a structural diagram of the first embodiment of the antenna of the present invention; the difference between the embodiment 6 and the embodiment 1 is that the shape of the first sub-metal portion 65 is a polygon, and the antenna can be adjusted according to the design of the pattern. The frequency distribution of the high frequency resonant frequency band 22 can also have good impedance matching, so that a low frequency resonant frequency band 21 and a high frequency resonant frequency band 22 can be generated, thereby synthesizing a wide frequency operating bandwidth, covering the current wireless local area network. The operational requirements of the global microwave access interworking network are suitable for embedded applications in wireless communication products. , to achieve the communication function of broadband operation.
第7圖為本發明天線之第二其他實施例結構圖；本實施例7與實施例1之不同在於：該第二子金屬部76之形狀為一多邊形，由此樣式之設計，可以調整天線之低頻共振頻帶21之頻率分佈，同時亦能具有良好之阻抗匹配，因此可產生一低頻共振頻帶21與一高頻共振頻帶22，進而合成一寬頻之操作頻寬，涵蓋目前無線區域網路與全球微波存取互通網路之操作需求，適合內藏應用在無線通訊產品上，達成寬頻操作之通訊功能。 Figure 7 is a structural view of a second embodiment of the antenna of the present invention; the seventh embodiment differs from the first embodiment in that the shape of the second sub-metal portion 76 is a polygon, and the design of the pattern can adjust the antenna. The frequency distribution of the low frequency resonance frequency band 21 can also have good impedance matching, so that a low frequency resonance frequency band 21 and a high frequency resonance frequency band 22 can be generated, thereby synthesizing a wide frequency operation bandwidth, covering the current wireless area network and The operational requirements of the global microwave access network are suitable for built-in applications in wireless communication products to achieve communication functions for broadband operation.
第8圖為本發明天線之第三其他實施例結構圖；本實施例8與實施例1之不同在於：該接地面83、該輻射部84均由印刷或蝕刻技術形成於一介質基板89上，由此配置方式之設計，可達成一體成形之製程，增加天線製作上之方便性與實用性，同時亦能具有良好之阻抗匹配，因此可產生一低頻共振頻帶21與一高頻共振頻帶22，進而產生一寬頻操作頻寬以涵蓋目前無線區域網路與全球微波存取互通網路之操作需求，適合內藏應用在無線通訊產品上，達成寬頻操作之通訊功能。 Figure 8 is a structural view of a third embodiment of the antenna of the present invention; the eighth embodiment differs from the first embodiment in that the ground plane 83 and the radiating portion 84 are formed on a dielectric substrate 89 by printing or etching techniques. The design of the configuration method can achieve an integrated forming process, increase the convenience and practicability of the antenna fabrication, and also have good impedance matching, thereby generating a low frequency resonance frequency band 21 and a high frequency resonance frequency band 22 In turn, a broadband operating bandwidth is generated to cover the operation requirements of the current wireless local area network and the global microwave access interworking network, and is suitable for the built-in application in the wireless communication product to achieve the communication function of the broadband operation.
第9圖為本發明天線之第四其他實施例結構圖；本實施例9與實施例1之不同在於：該接地面93、該輻射部94由金屬片沖壓或切割製作而成，由此配置方式之設計，亦能簡易地實現天線之製程，同時亦能具有良好之阻抗匹配，因此可產生一低頻共振頻帶21與一高頻共振頻帶22，進而產生一寬頻操作頻寬以涵蓋目前無線區域網路與全球微 波存取互通網路之操作需求，適合內藏應用在無線通訊產品上，達成寬頻操作之通訊功能。 Figure 9 is a structural view of a fourth embodiment of the antenna of the present invention; the present embodiment 9 is different from the first embodiment in that the grounding surface 93 and the radiating portion 94 are formed by stamping or cutting a metal piece, thereby configuring The design of the method can also easily realize the process of the antenna, and also has good impedance matching, so that a low frequency resonance frequency band 21 and a high frequency resonance frequency band 22 can be generated, thereby generating a broadband operating bandwidth to cover the current wireless area. Network and global micro The operation requirements of the wave access interworking network are suitable for the built-in application in the wireless communication product, and realize the communication function of the broadband operation.
以上說明中所述之實施例僅為說明本發明之原理及其功效，而非限制本發明。因此，習於此技術之人士可在不違背本發明之精神對上述實施例進行修改及變化，本發明之權利範圍應如後述之申請專利範圍所列。 The embodiments described in the above description are merely illustrative of the principles of the invention and its advantages, and are not intended to limit the invention. Therefore, those skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the invention, and the scope of the invention should be as defined in the appended claims.
1‧‧‧本發明天線一實施例 1‧‧‧An embodiment of the antenna of the present invention
13‧‧‧接地面或接地金屬貼片 13‧‧‧Grounding surface or grounded metal patch
131‧‧‧接地面之上方邊緣 131‧‧‧Top edge of the ground plane
132‧‧‧接地點 132‧‧‧ Grounding point
133‧‧‧短路點 133‧‧‧ Short circuit point
14‧‧‧輻射部 14‧‧‧ Radiation Department
15‧‧‧第一子金屬部 15‧‧‧The first sub-metal department
151‧‧‧第一子金屬部之一側邊 151‧‧‧One side of the first sub-metal
152‧‧‧饋入點 152‧‧‧Feeding point
153‧‧‧第一耦合邊緣 153‧‧‧First coupling edge
16‧‧‧第二子金屬部 16‧‧‧The second sub-metal department
161‧‧‧第二耦合邊緣 161‧‧‧Second coupling edge
162‧‧‧開口 162‧‧‧ openings
17‧‧‧短路金屬部 17‧‧‧Short-circuit metal parts
171‧‧‧短路金屬部之起始端 171‧‧‧ The beginning of the shorted metal part
172‧‧‧短路金屬部之末端 172‧‧‧ Short-circuit metal end
18‧‧‧饋入傳輸線 18‧‧‧Feed in transmission line
181‧‧‧中心導線 181‧‧‧Center wire
182‧‧‧外層接地導體 182‧‧‧ outer grounding conductor
19‧‧‧介質基板 19‧‧‧Media substrate
d‧‧‧耦合間隙(第一子金屬部與第二子金屬部之間距) d‧‧‧Coupling gap (distance between the first sub-metal part and the second sub-metal part)
21‧‧‧天線之低頻共振頻帶 21‧‧‧A low frequency resonance band of the antenna
22‧‧‧天線之高頻共振頻帶 22‧‧‧High-frequency resonant frequency band of the antenna
6‧‧‧本發明天線之第一其他實施例 6‧‧‧First other embodiment of the antenna of the present invention
65‧‧‧第一子金屬部 65‧‧‧The first sub-metal department
651‧‧‧第一子金屬部之一側邊 651‧‧‧one side of one of the first sub-metal parts
652‧‧‧饋入點 652‧‧‧Feeding point
7‧‧‧本發明天線之第二其他實施例 7‧‧‧Second other embodiment of the antenna of the present invention
76‧‧‧第二子金屬部 76‧‧‧Second sub-metal department
8‧‧‧本發明天線之第三其他實施例 8‧‧‧ Third Other Embodiment of the Antenna of the Invention
83‧‧‧接地面或接地金屬貼片 83‧‧‧Grounding surface or grounded metal patch
831‧‧‧接地面之上方邊緣 831‧‧‧ upper edge of the ground plane
832‧‧‧接地點 832‧‧‧ Grounding point
833‧‧‧短路點 833‧‧‧ Short circuit point
84‧‧‧輻射部 84‧‧‧ Radiation Department
89‧‧‧介質基板 89‧‧‧Media substrate
9‧‧‧本發明天線之第四其他實施例 9‧‧‧Fourth other embodiment of the antenna of the present invention
93‧‧‧接地面或接地金屬貼片 93‧‧‧Grounding surface or grounded metal patch
931‧‧‧接地面之上方邊緣 931‧‧‧ upper edge of the ground plane
932‧‧‧接地點 932‧‧‧ Grounding point
933‧‧‧短路點 933‧‧‧ Short circuit point
94‧‧‧輻射部 94‧‧‧ Radiation Department
第1圖為本發明天線一實施例結構圖。 Fig. 1 is a structural view showing an embodiment of an antenna according to the present invention.
第2圖為本發明天線一實施例之返回損失實驗量測結果。 Fig. 2 is a result of experimental measurement of return loss of an embodiment of the antenna of the present invention.
第3圖為本發明天線一實施例之輻射場型於頻率2500MHz之量測結果。 Fig. 3 is a measurement result of the radiation field type of the antenna of the present invention at a frequency of 2500 MHz.
第4圖為本發明天線一實施例之輻射場型於頻率3500MHz之量測結果。 Figure 4 is a measurement result of the radiation field type of the antenna of the present invention at a frequency of 3500 MHz.
第5圖為本發明天線一實施例之輻射場型於頻率5500MHz之量測結果。 Fig. 5 is a measurement result of the radiation field type of the antenna of the present invention at a frequency of 5,500 MHz.
第6圖為本發明天線之第一其他實施例結構圖。 Figure 6 is a structural view of a first other embodiment of the antenna of the present invention.
第7圖為本發明天線之第二其他實施例結構圖。 Figure 7 is a structural view of a second other embodiment of the antenna of the present invention.
第8圖為本發明天線之第三其他實施例結構圖。 Figure 8 is a structural view showing a third embodiment of the antenna of the present invention.
第9圖為本發明天線之第四其他實施例結構圖。 Figure 9 is a structural view of a fourth other embodiment of the antenna of the present invention.
1‧‧‧本發明天線一實施例 1‧‧‧An embodiment of the antenna of the present invention
13‧‧‧接地面或接地金屬貼片 13‧‧‧Grounding surface or grounded metal patch
131‧‧‧接地面之上方邊緣 131‧‧‧Top edge of the ground plane
132‧‧‧接地點 132‧‧‧ Grounding point
133‧‧‧短路點 133‧‧‧ Short circuit point
14‧‧‧輻射部 14‧‧‧ Radiation Department
15‧‧‧第一子金屬部 15‧‧‧The first sub-metal department
151‧‧‧第一子金屬部之一側邊 151‧‧‧One side of the first sub-metal
152‧‧‧饋入點 152‧‧‧Feeding point
153‧‧‧第一耦合邊緣 153‧‧‧First coupling edge
16‧‧‧第二子金屬部 16‧‧‧The second sub-metal department
161‧‧‧第二耦合邊緣 161‧‧‧Second coupling edge
162‧‧‧開口 162‧‧‧ openings
17‧‧‧短路金屬部 17‧‧‧Short-circuit metal parts
171‧‧‧短路金屬部之起始端 171‧‧‧ The beginning of the shorted metal part
172‧‧‧短路金屬部之末端 172‧‧‧ Short-circuit metal end
18‧‧‧饋入傳輸線 18‧‧‧Feed in transmission line
181‧‧‧中心導線 181‧‧‧Center wire
182‧‧‧外層接地導體 182‧‧‧ outer grounding conductor
19‧‧‧介質基板 19‧‧‧Media substrate
d‧‧‧耦合間隙(第一子金屬部與第二子金屬部之間距) d‧‧‧Coupling gap (distance between the first sub-metal part and the second sub-metal part)
Claims (10)
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| Title |
|---|
| 「Uni-Planar Dual-Band Monopole Antenna for 2.4/5 GHz WLAN Operation in the Laptop Computer」Antennas and Propagation, IEEE Transactions onVolume: 55 , Issue: 12 Digital Object Identifier: 10.1109/TAP.2007.910501Publication Year: 2007 , Page(s): 3739 – 3741 * |
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